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| 正面描述 | Intaglio-printed portrait vignette of a young woman occupying the right-centre field, set against a fine guilloche underprint in purple and green tones. To the left, a large stylised cotton flower is rendered in silver and green, overlaying a latent-image numeral; the word SPECIMEN is printed vertically in the centre, with the year date "2010" in large optically variable dot-matrix numerals along the lower margin. At upper right, the trade name "Hybrid™" appears in bold green lettering, with a vertical security stripe incorporating the numeral 10 and microtext at the far right edge; the imprint "Papierfabrik Louisenthal GmbH / Edition 2010" and two facsimile signatures appear at lower left. |
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| 背面描述 | 登录 以查看详情 |
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| 防伪描述 | Vertical windowed security thread with embedded microtext and numeral at right edge of obverse; cotton-fibre watermark visible in the substrate; optically variable dot-matrix numeral in the year date; microtext incorporated within guilloche underprint bands |
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| 备注 |
Louisenthal's "Yvonne" series of demonstration notes serves a specific trade purpose: showing potential central bank clients what the company's substrate and security integration can do before any tender is won. This example, produced at the Louisenthal mill in Bavaria, is a substrate showcase rather than a circulating instrument — the firm being a subsidiary of Giesecke+Devrient and one of the few operations in the world that manufactures both the security paper and integrates features like the polymer window strip in a single production run.
The "Louisenthal" surname in the note's name is not coincidental — the mill town and the company share the name of the founding family.